.expanded-button-area {
    text-align: center;
    width: 20px;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}
.expanded-button-area > button {
    width: 20px;
    height: 100%;
}
.collapsed {
    position: absolute;
    top: 5px;
    right: 26px;
    bottom: 5px;
    left: 6px;
    overflow: hidden;
}
.expanded {
    margin-right: 14px;
    max-height: 200px;
    overflow-y: auto;
}
